Arguably, Freud fails the test because Freudian theory is often so vague and flexible that it can't really be tested in any reliable way.

可以肯定的是，弗洛伊德的理论无法得到验证,因为精神分析理论的内容,太过模糊又太易变通,你无法通过任何可靠的方式,去验证它的正确性。

耶鲁公开课 - 心理学导论课程节选

And they also developed a very reliable way for introducing the virus, so that when they had a defined preparation of virus, then you want to make sure that everybody gets it in their skin in the right way.

他们还发明了一种可靠的方法来引入病毒,当人们有了确定的病毒制剂之后,就要要保证这些制剂都以正确的方式,注射至皮下

耶鲁公开课 - 生物医学工程探索课程节选